CN105442011A - Apparatus and method for forming coating on inner wall of tubular member - Google Patents
Apparatus and method for forming coating on inner wall of tubular member Download PDFInfo
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- CN105442011A CN105442011A CN201410412265.2A CN201410412265A CN105442011A CN 105442011 A CN105442011 A CN 105442011A CN 201410412265 A CN201410412265 A CN 201410412265A CN 105442011 A CN105442011 A CN 105442011A
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- electrode bar
- cylindrical part
- insulative cap
- electroplate liquid
- electroplanting device
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Abstract
An electroplating apparatus and a method for forming a coating on the inner wall of a tubular member are disclosed, the tubular member has electrical conductivity, and comprises an annular main body portion and openings located at opposite ends of the main body portion, the electroplating apparatus comprises two insulating seal covers, an electrode rod, a power supply, and an electroplating solution circulating system, the two insulating seal covers are respectively arranged on the two openings of the tubular member to form, together with the main body portion, a seal vessel for containing an electroplating solution, the two insulating seal covers are respectively provided with an inlet for transporting the electroplating solution into the vessel and an outlet for discharging the electroplating solution from the vessel, two ends of the electrode rod are rotatably mounted on the insulating seal covers, so that the electrode rod and the tubular member form an electrode pair, two electrodes of the power supply are electrically connected to the electrode rod and the tubular member, the electroplating solution circulating system is communicated with the vessel through the inlet and the outlet to drive the circulating flow of the electroplating solution. The tubular member itself is used as the vessel for containing the electroplating solution, and a special plating tank is not required.
Description
Technical field
The present invention relates to a kind of apparatus and method forming coating on cylindrical part inwall, particularly, relating to a kind of apparatus and method forming coating on the pipeline of nuclear reactor or the inwall of cladding tubes.
Background technology
In the reactor of Nuclear power plants, cladding tubes is one of important component guaranteeing Nuclear safety, and it can prevent radioactive leak, and requires to possess very high reliability in whole Nuclear power plants.For improving the economy of Nuclear power plants and reducing nuclear waste, the fuel consumption of Nuclear power plants improves constantly, and fuel cycle period constantly extends, thus to cladding tubes reliability, such as corrosive nature, hydrogen sucking function, creep property and anti-neutron irradiation performance etc., it is also proposed more and more higher requirement.Especially, along with the output rating of reactor promotes, the temperature of fuel pellet raises, thus cause fuel pellet to expand, and fuel pellet and cladding interaction (PCI, Pellet-Claddinginteraction) strain is produced, cladding tubes ftractures due to stress corrosion (SCC, StressCorrosionCracking), cause the inwall of cladding tubes and the fission product (I of fuel stick, Cs) contact, and then stress corrosion crack (ISCC, the IodineIndueedStressCorrosionCracking) problem that iodine causes can be produced.Known to applicant, adopt process for modifying surface, namely by can improve the ability of anti-ISCC at involucrum internal surface deposited coatings or blocking layer.
Except can material, main pipeline in reactor, steam generator etc., and forth generation thorium base MSR (TMSR, ThoriumMoltenSaltReactor) heat exchanger tubes in etc. all face the problems such as corrosion, the heat exchanger tube of TMSR uses nickel-base alloy, needs the performance with resistance to fused salt corrosion and resistance to radiation damage.A kind of solution is, the inwall of the pipeline material made at nickel-base alloy deposits the protective layer of the more resistance to fused salt corrosion of one deck and anti-radiation performance.
Adopt electro-deposition techniques more effectively and easily can realize the preparation of coating, electro-deposition techniques has been widely applied to multiple fields such as electronics, aviation and the energy.Electro-deposition techniques comprises and adopts the redox processes that realize receiving and losing electrons of electrochemical method under DC Electric Field, and the redox processes of this receiving and losing electrons avoids the impurity that too much pilot process may be introduced, as oxygen, nitrogen, carbon etc.Prepared coating possesses special growth pattern, and the formation of coating is the process of the nucleation and growth of Metallic Solids.Therefore the coating obtained on different matrix material and the bonding strength of matrix high, purity, the porosity and density etc. of coating can both be protected.
But, implement traditional electrodeposition technology to need to provide in the devices such as plating tank, negative electrode and anode, the size of plating piece is subject to the strict restriction of plating tank, excessive long plating piece needs to be placed in corresponding larger sized plating tank and can deposit, and this brings very high requirement just to place, cost and operation.In addition, for the plating piece surface with complicated shape, the coating as tubular material inwall deposits, can because the problem such as electric current and ionogenic nonunf ormity is difficult to realize.
Summary of the invention
For overcoming the defect of above-mentioned or other side of the prior art, the present invention proposes a kind of apparatus and method forming coating on cylindrical part inwall, utilize cylindrical part itself as the container of accommodation electroplate liquid, do not need special plating tank.
Embodiment according to an aspect of the present invention, a kind of electroplanting device forming coating on cylindrical part inwall is provided, described cylindrical part has electroconductibility and comprises the main part of annular, and be positioned at the opening of opposite end of described main part, described electroplanting device comprises: two insulative cap, be arranged on two openings of described cylindrical part respectively, to form the container closed for holding electroplate liquid together with described main part, two described insulative cap are respectively equipped with for the entrance to described container transport electroplate liquid and the outlet for discharging electroplate liquid from described container, electrode bar, the two ends of described electrode bar can be arranged in described insulative cap respectively rotatably, make described electrode bar and described cylindrical part form electrode pair, power supply, two electrodes of described power supply are electrically connected to described electrode bar and described cylindrical part respectively, and the electroplate liquid recycle system, by described entrance and exit and described reservoir, circulate to drive described electroplate liquid.
In above-mentioned electroplanting device, each described insulative cap comprises: base portion; And to give prominence to from the periphery of described base portion and to be fitted in the flange the outer wall of a described opening.
In above-mentioned electroplanting device, the inner side of described flange is provided with at least one first wear ring with the wall contacts of described opening.
Above-mentioned electroplanting device also comprises at least one securing gear, and each securing gear comprises: pull bar, and described pull bar passes two described insulative cap in the outside of described main part; And two bolts, spiral is connected to the two ends of described pull bar respectively, described insulative cap to be compressed over said opening.
In above-mentioned electroplanting device, the described electroplate liquid recycle system comprises: multiple pipeline; Reservoir, for store electricity plating solution; And driving pump, be arranged in described pipeline, to drive described electroplate liquid at described reservoir, pipeline and container internal circulation flow.
In above-mentioned electroplanting device, the first end of described electrode bar is arranged on the approximate centre position of the inner side of a described insulative cap, and the other end passes insulative cap described in another and extends to the outside of another insulative cap described.
Above-mentioned electroplanting device also comprises drive-motor, is connected, rotates to drive described electrode bar with the part extending to the outside of another insulative cap described of described electrode bar.
In above-mentioned electroplanting device, described electrode bar is forward and reverse reciprocating rotary periodically.
In above-mentioned electroplanting device, described electrode bar can slide axially relative to another insulative cap described, and is provided with at least one second wear ring at described electrode bar with the position that another electrode bar described is combined.
Above-mentioned electroplanting device also comprises the thermostat for keeping the electroplate liquid in container to have roughly stable temperature.
In above-mentioned electroplanting device, described cylindrical part is the heat exchanger tube in main pipeline, steam generator and the thorium base MSR used in the cladding tubes and/or reactor used in nuclear reactor.
Embodiment according to a further aspect of the invention, a kind of electro-plating method forming coating on cylindrical part inwall is provided, described cylindrical part has electroconductibility and comprises the main part of annular and be positioned at the opening of opposite end of described main part, and described electro-plating method comprises the steps:
Two insulative cap are arranged on respectively on two openings of described cylindrical part, to form closed container together with described main part;
The two ends of electrode bar are arranged on respectively in described insulative cap;
Electroplate liquid is carried in described container; And
Using described electrode bar and described cylindrical part as anode and negative electrode, to apply electric field to described electrode bar and cylindrical part.
In above-mentioned electro-plating method, while applying electric field to described electrode bar and cylindrical part, electrode bar described in reciprocating rotary on both forward and reverse directions.
In above-mentioned electro-plating method, while applying electric field to described electrode bar and cylindrical part, described electroplate liquid is circulated.
According to the electroplanting device and the method that form coating on cylindrical part inwall of above-mentioned various embodiment of the present invention, electro-deposition techniques can be adopted on the pipeline material with larger slenderness ratio or cladding tube material inwall to obtain protective coating.Electrode bar is used as anode, and forms a part for galvanic circle with the cylindrical part and electroplate liquid with electroconductibility, by galvanic deposit, the inwall of cylindrical part forms protective coating.In electroplating process, do not need the cylindrical part as plating piece to put into plating tank.
Accompanying drawing explanation
In order to make object of the present invention, feature and advantage more become apparent, below in conjunction with the drawings and specific embodiments, the invention will be further described, wherein:
Fig. 1 is the schematic cross-sectional view of the container portions of the electroplanting device illustrated according to a kind of exemplary embodiment of the present invention, eliminates power supply in figure; And
Fig. 2 is the schematic diagram of the electroplanting device illustrated according to a kind of exemplary embodiment of the present invention.
Embodiment
Although fully describe the present invention with reference to the accompanying drawing containing preferred embodiment of the present invention, before this describes, should be appreciated that those of ordinary skill in the art can revise invention described herein, obtain technique effect of the present invention simultaneously.Therefore, Yan Weiyi discloses widely to those of ordinary skill in the art must to understand above description, and its content does not lie in restriction exemplary embodiment described in the invention.
In addition, in the following detailed description, for ease of explaining, many concrete details have been set forth to provide the complete understanding to this disclosure embodiment.But significantly, one or more embodiment also can be implemented when not having these details.In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing.
Fig. 1 is the schematic cross-sectional view of the container portions of the electroplanting device illustrated according to a kind of exemplary embodiment of the present invention, eliminates power supply in figure; And Fig. 2 is the schematic diagram of the electroplanting device illustrated according to a kind of exemplary embodiment of the present invention.
See Fig. 1 and 2, according to a kind of exemplary embodiment of the present invention, a kind of electroplanting device forming coating on the inwall of cylindrical part 4 is provided, cylindrical part 4 has electroconductibility, such as be made up of zirconium alloy, nickel-base alloy, and comprise the main part of annular and be positioned at the opening of opposite end of main part.Electroplanting device comprises two insulative cap 1 electrode bars 5 and power supply 12.Two insulative cap 1 are arranged on two openings of cylindrical part 4 respectively, to form the container closed for holding electroplate liquid together with main part; The two ends of electrode bar 5 are arranged in insulative cap 1 respectively, and make electrode bar 5 and cylindrical part 4 form electrode pair, such as electrode bar 5 is used as anode, and cylindrical part 4 is used as negative electrode; Two electrodes of power supply 12 are electrically connected to electrode bar 5 and cylindrical part 4 respectively.Like this, power supply 12, electrode bar 5, electroplate liquid, cylindrical part 4 and relevant wire 13 form a closed circuit.Under the electric field action of power supply 12, there is redox reaction in electroplate liquid in the inner wall surface of cylindrical part 4, thus in the inner wall surface of cylindrical part 4, utilize principles of electro-deposition to form electrolytic coating.The radioactive particle that this electrolytic coating can produce in shielded nucleus reactor and irradiation, thus prevent radioactive leak, improve the security of whole Nuclear power plants.
In a kind of exemplary embodiment, each insulative cap 1 comprises: the base portion corresponding with the shape of the opening of cylindrical part 4 and the periphery from base portion are given prominence to and be fitted in the flange the outer wall of an opening.The inner side of described flange is provided with at least one first wear ring 6 with the wall contacts of opening.Such as, arrange cannelure in the flange inner of insulative cap 1, the first wear ring 6 is partly arranged in described cannelure.Further, the electroplanting device according to a kind of exemplary embodiment of the present invention also comprises at least one securing gear, and each securing gear comprises pull bar 10 and two bolts 9.Pull bar 10 in the outside of the main part of cylindrical part 4 through two insulative cap, 1, two bolts 9 respectively spiral be connected to the two ends of pull bar 10,9 insulative cap 1 can be pressed on opening by tighting a bolt.Adopt the insulative cap 1 of the above embodiment of the present invention and the mode of connection of cylindrical part 4, insulative cap 1 can be made to seal and be combined on cylindrical part 4 securely, do not need the structure changing cylindrical part 4 itself, and any position of insulative cap 1 all can not be inserted into the inside of cylindrical part 4, thus guarantee that each position of the inwall of cylindrical part 4 can be plated.
In the electroplanting device of a kind of exemplary embodiment of the present invention, two insulative cap 1 are respectively equipped with for carrying the entrance 2 of electroplate liquid and the outlet 7 for discharging electroplate liquid from described container in the container formed by two insulative cap and cylindrical part 4.Further, electroplanting device also comprises the electroplate liquid recycle system, the described electroplate liquid recycle system comprises multiple pipeline 14, for the reservoir 15 of store electricity plating solution and the driving pump 16 that is arranged in pipeline 14, driving pump 16 drives electroplate liquid at reservoir 15, pipeline 14 and described container internal circulation flow.Like this, the electroplate liquid in container can be changed continuously, make the concentration that the electroplate liquid in container keeps predetermined, thus realize uniform plating.
In a kind of exemplary embodiment, the first end 3 of electrode bar 5 is rotatably installed in the approximate centre position of the inner side of an insulative cap (being positioned at the insulative cap 1 in left side in such as Fig. 1 and 2), and the other end passes another insulative cap (being positioned at the insulative cap 1 on right side in such as Fig. 1 and 2) and extends to the outside of another insulative cap 1.Electrode bar 5 can slide axially relative to being positioned at another insulative cap 1 described in right side, and is provided with at least one second wear ring 8 at electrode bar 5 with the position that another electrode bar 1 described is combined.Such as, insulative cap 1 arranges cannelure, the second wear ring 8 is partly arranged in described cannelure.Like this, by making another insulative cap 1 described slide axially relative to electrode bar 5, making same electrode bar 5 go for having the cylindrical part 4 of different lengths, keeping the stopping property of container simultaneously.
Electroplanting device according to a kind of exemplary embodiment of the present invention also comprises drive-motor 11, and drive-motor 11 is connected with the part extending to the outside of another insulative cap 1 described of electrode bar 5, rotates with drive electrode rod 5.Further, electrode bar 5 periodically forward and reverse reciprocating rotary.Such as, the output shaft of drive-motor 11 and electrode bar 5 are combined by the coupling apparatus of shaft coupling, adapter and so on.According to electroplanting device of the present invention, by being used as being uniformly distributed of the rotation electrodeposited coating of realization on the inwall of cylindrical part 4 of the electrode bar 5 of anode, in addition, the rotation of electrode bar 5 can reduce the possibility occurring bath concentration difference polarization phenomena, improve current efficiency, ensure the quality of coating.
In a kind of exemplary embodiment, in another insulative cap 1 described, conducting ring is installed, described conducting ring and electrode bar electrical contact, guarantees that electrode bar 5 rotates relative to insulative cap 1 simultaneously.
The electroplanting device of the further exemplary embodiment of the present invention also comprises the thermostat for keeping the electroplate liquid in container to have roughly stable temperature, such as, be coated with lagging material in the outside of the main part of cylindrical part 4 and/or be wound around such as resistive heater and so on heating unit.In the interchangeable embodiment of another kind, be provided with heating unit at internal tank.
In above-mentioned various embodiment, cylindrical part 4 be the cladding tubes that uses in nuclear reactor and/or and/or reactor in the pipeline material of heat exchanger tube in the main pipeline, steam generator and the thorium base MSR that use and so on.Such as, cladding tubes and pipeline material have the diameter of 0.5 centimetre to 40 centimetres and are greater than the length of 4 meters, and the electrode bar being used as anode bar has the diameter of more than 1 millimeter and the length of more than 4 meters.Be appreciated that the diameter of anode bar can change, as long as size can put into cladding tubes and do not collide with the inwall of cladding tubes according to the diameter of cladding tubes and pipeline material.
The cylindrical part 4 being appreciated that in various embodiment of the present invention can be the metal tube that any needs wall are formed coating within it.The ray that the protective coating that the inwall of cladding tubes is formed can produce in shielded nucleus reactor, thus prevent radioactive leak, improve the security of whole Nuclear power plants.Further, the ability as the corrosion resistance of the tubular material of cylindrical part or the anti-Iodine-induced stress corrosion (ISCC) of cladding tubes can be improved.
Embodiment according to a further aspect of the invention, see Fig. 1 and 2, there is provided a kind of electro-plating method forming coating on cylindrical part 4 inwall, described cylindrical part has electroconductibility and comprises the main part of annular and be positioned at the opening of opposite end of described main part.Described electro-plating method comprises the steps: to be arranged on two openings of described cylindrical part respectively by two insulative cap 1, to form closed container together with described main part; The two ends of electrode bar are arranged in described insulative cap respectively, make described electrode bar and described cylindrical part form electrode pair; Electroplate liquid is carried in described container; And using described electrode bar and described cylindrical part as anode and negative electrode to apply electric field to described electrode bar and cylindrical part.
In above-mentioned electro-plating method, while applying electric field to described electrode bar and cylindrical part, electrode bar described in reciprocating rotary on both forward and reverse directions.Further, while applying electric field to described electrode bar and cylindrical part, described electroplate liquid is circulated.
Utilize electroplanting device and the method for the above embodiment of the present invention, electro-deposition techniques can be adopted on the pipeline material with larger slenderness ratio or cladding tube material inwall to obtain protective coating.Electrode bar 5 is used as rotatable anode guiding device, and forms a part for galvanic circle with the cylindrical part 4 and electroplate liquid with electroconductibility, realizes the galvanic deposit of the inwall to cylindrical part, to form protective coating.Electroplanting device according to various embodiments of the present invention, the cylindrical part as plating piece is not needed to put into plating tank, cylindrical part itself is used as a part for the container for holding electroplate liquid, utilize the additional recycle system for guiding electroplate liquid to flow, near the inwall of plated cylindrical part, form the environment of a similar plating tank, thus realize galvanic deposit.
According to the electroplanting device of above-mentioned various embodiment of the present invention, electro-deposition techniques can be adopted to obtain coating to the inwall of the cylindrical part with greater depth diameter ratio, unrestricted on the length ideal of cylindrical part, as long as electroplate liquid pumping distance can ensure, the length of such as cylindrical part can reach more than 10 meters, and the diameter of rotatable electrode bar is more than 1 millimeter.By making the electrode bar as anode rotate, can realize being uniformly distributed of the coating of galvanic deposit acquisition, the rotation of electrode bar can reduce the appearance of bath concentration difference polarization phenomena, improves current efficiency, ensures the quality of coating.
It will be appreciated by those skilled in the art that, embodiment described above is all exemplary, and those skilled in the art can make improvements, independent assortment can be carried out when the conflict of the structure described in various embodiment in not recurring structure or principle, thus on the basis solving technical problem of the present invention, realize more kinds of electroplanting device.
After detailed description preferred embodiment of the present invention; those of ordinary skill in the art can clearly understand; various change and change can be carried out under the protection domain not departing from claim of enclosing and spirit, and the present invention is not also limited to the embodiment of examples cited embodiment in specification sheets.It should be noted that word " comprises " and do not get rid of other element or step, word "a" or "an" is not got rid of multiple.In addition, any element numbers of claim should not be construed as and limits the scope of the invention.
Claims (14)
1. on cylindrical part (4) inwall, form an electroplanting device for coating, described cylindrical part has electroconductibility and comprises the main part of annular and be positioned at the opening of opposite end of described main part, and described electroplanting device comprises:
Two insulative cap (1), be arranged on two openings of described cylindrical part respectively, to form the container closed for holding electroplate liquid together with described main part, two described insulative cap are respectively equipped with for the entrance (2) to described container transport electroplate liquid and the outlet (7) for discharging electroplate liquid from described container;
Electrode bar (5), the two ends of described electrode bar can be arranged in described insulative cap respectively rotatably, make described electrode bar and described cylindrical part form electrode pair;
Power supply (12), two electrodes of described power supply are electrically connected to described electrode bar and described cylindrical part respectively; And
The electroplate liquid recycle system, by described entrance and exit and described reservoir, circulates to drive described electroplate liquid.
2. electroplanting device as claimed in claim 1, wherein, each described insulative cap comprises:
Base portion; And
Flange, gives prominence to from the periphery of described base portion and is fitted in the outer wall of a described opening.
3. electroplanting device as claimed in claim 2, wherein, the inner side of described flange is provided with at least one first wear ring (6) with the wall contacts of described opening.
4. the electroplanting device as described in any one in claim 1-3, also comprises at least one securing gear, and each securing gear comprises:
Pull bar (10), described pull bar passes two described insulative cap in the outside of described main part; And
Two bolts (9), spiral is connected to the two ends of described pull bar respectively, described insulative cap to be compressed over said opening.
5. electroplanting device as claimed in claim 1, wherein, the described electroplate liquid recycle system comprises:
Multiple pipeline (14);
Reservoir (15), for store electricity plating solution; And
Driving pump (16), is arranged in described pipeline, to drive described electroplate liquid at described reservoir, pipeline and container internal circulation flow.
6. the electroplanting device as described in any one in claim 1-5, wherein, the first end of described electrode bar is arranged on the approximate centre position of the inner side of a described insulative cap, and the other end passes insulative cap described in another and extends to the outside of another insulative cap described.
7. electroplanting device as claimed in claim 6, wherein, also comprises drive-motor (11), is connected, rotates to drive described electrode bar with the part extending to the outside of another insulative cap described of described electrode bar.
8. electroplanting device as claimed in claim 7, wherein, described electrode bar is forward and reverse reciprocating rotary periodically.
9. electroplanting device as claimed in claim 7, wherein, described electrode bar can slide axially relative to another insulative cap described, and is provided with at least one second wear ring (8) at described electrode bar and the position that another electrode bar described is combined.
10. the electroplanting device as described in any one in claim 1-9, also comprises the thermostat for keeping the electroplate liquid in container to have roughly stable temperature.
11. electroplanting devices as described in any one in claim 1-10, wherein, described cylindrical part is the heat exchanger tube in main pipeline, steam generator and the thorium base MSR used in the cladding tubes and/or reactor used in nuclear reactor.
12. 1 kinds of electro-plating methods forming coating on cylindrical part (4) inwall, described cylindrical part has electroconductibility and comprises the main part of annular and be positioned at the opening of opposite end of described main part, and described electro-plating method comprises the steps:
Two insulative cap (1) are arranged on two openings of described cylindrical part, to form closed container together with described main part respectively;
The two ends of electrode bar are arranged on respectively in described insulative cap;
Electroplate liquid is carried in described container; And
Using described electrode bar and described cylindrical part as anode and negative electrode, to apply electric field to described electrode bar and cylindrical part.
13. electro-plating methods as claimed in claim 12, wherein, while applying electric field to described electrode bar and cylindrical part, electrode bar described in reciprocating rotary on both forward and reverse directions.
14. electro-plating methods as described in claim 12 or 13, wherein, while applying electric field to described electrode bar and cylindrical part, make described electroplate liquid circulate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410412265.2A CN105442011B (en) | 2014-08-20 | 2014-08-20 | The device and method that coating is formed on cylindrical part inner wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410412265.2A CN105442011B (en) | 2014-08-20 | 2014-08-20 | The device and method that coating is formed on cylindrical part inner wall |
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| CN105442011A true CN105442011A (en) | 2016-03-30 |
| CN105442011B CN105442011B (en) | 2018-09-04 |
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| CN105951143A (en) * | 2016-06-07 | 2016-09-21 | 中国人民解放军第五七〇六工厂 | Electroplating device for inner wall of outer cylinder of aircraft landing gear |
| CN106094007A (en) * | 2016-08-08 | 2016-11-09 | 中国船舶重工集团公司第七〇九研究所 | A kind of quick Boraxing unit being coated with boron inner bag for Boron-coated neutron detector and method of work thereof |
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| US11242613B2 (en) | 2009-06-08 | 2022-02-08 | Modumetal, Inc. | Electrodeposited, nanolaminate coatings and claddings for corrosion protection |
| US11365488B2 (en) | 2016-09-08 | 2022-06-21 | Modumetal, Inc. | Processes for providing laminated coatings on workpieces, and articles made therefrom |
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| US11560629B2 (en) | 2014-09-18 | 2023-01-24 | Modumetal, Inc. | Methods of preparing articles by electrodeposition and additive manufacturing processes |
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| US11242613B2 (en) | 2009-06-08 | 2022-02-08 | Modumetal, Inc. | Electrodeposited, nanolaminate coatings and claddings for corrosion protection |
| US11851781B2 (en) | 2013-03-15 | 2023-12-26 | Modumetal, Inc. | Method and apparatus for continuously applying nanolaminate metal coatings |
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| US11286575B2 (en) | 2017-04-21 | 2022-03-29 | Modumetal, Inc. | Tubular articles with electrodeposited coatings, and systems and methods for producing the same |
| CN110770372B (en) * | 2017-04-21 | 2022-10-11 | 莫杜美拓有限公司 | Tubular article having an electrodeposited coating and system and method for producing same |
| CN109837580A (en) * | 2017-11-29 | 2019-06-04 | 辽宁法库陶瓷工程技术研究中心 | A kind of coating method of cold screen high IR absorptivity coating |
| US11519093B2 (en) | 2018-04-27 | 2022-12-06 | Modumetal, Inc. | Apparatuses, systems, and methods for producing a plurality of articles with nanolaminated coatings using rotation |
| CN110284129A (en) * | 2019-07-29 | 2019-09-27 | 福建阿石创新材料股份有限公司 | A kind of chemical plating means of defence in copper backboard water route |
| CN110284169A (en) * | 2019-07-29 | 2019-09-27 | 福建阿石创新材料股份有限公司 | A kind of the plating protective device and method in copper backboard water route |
| CN111621833A (en) * | 2020-05-30 | 2020-09-04 | 常德市联嘉机械有限公司 | Energy-saving electroplating device |
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| CN105442011B (en) | 2018-09-04 |
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